debuggers.hg

view tools/blktap2/control/tap-ctl-unpause.c @ 22848:6341fe0f4e5a

Added tag 4.1.0-rc2 for changeset 9dca60d88c63
author Keir Fraser <keir@xen.org>
date Tue Jan 25 14:06:55 2011 +0000 (2011-01-25)
parents 63d0f5348af2
children
line source
1 /*
2 * Copyright (c) 2008, XenSource Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of XenSource Inc. nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
20 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 #include <stdio.h>
29 #include <errno.h>
30 #include <stdlib.h>
31 #include <unistd.h>
32 #include <string.h>
33 #include <getopt.h>
35 #include "tap-ctl.h"
37 int
38 tap_ctl_unpause(const int id, const int minor, const char *params)
39 {
40 int err;
41 tapdisk_message_t message;
43 memset(&message, 0, sizeof(message));
44 message.type = TAPDISK_MESSAGE_RESUME;
45 message.cookie = minor;
47 if (params)
48 strncpy(message.u.params.path, params,
49 sizeof(message.u.params.path) - 1);
51 err = tap_ctl_connect_send_and_receive(id, &message, 15);
52 if (err)
53 return err;
55 if (message.type == TAPDISK_MESSAGE_RESUME_RSP)
56 err = message.u.response.error;
57 else {
58 err = EINVAL;
59 EPRINTF("got unexpected result '%s' from %d\n",
60 tapdisk_message_name(message.type), id);
61 }
63 return err;
64 }